[INFO] cloning repository https://github.com/anthonyvd/yagbe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anthonyvd/yagbe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonyvd%2Fyagbe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonyvd%2Fyagbe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b6afffd78b4a3f75d3ad0535b3fb65fc31f3ce3
[INFO] checking anthonyvd/yagbe against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanthonyvd%2Fyagbe" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anthonyvd/yagbe on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/anthonyvd/yagbe
[INFO] finished tweaking git repo https://github.com/anthonyvd/yagbe
[INFO] tweaked toml for git repo https://github.com/anthonyvd/yagbe written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/anthonyvd/yagbe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7717ff59ce351cdffe7f3711f853361f10335ba5841e80c501914d3035e06ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f7717ff59ce351cdffe7f3711f853361f10335ba5841e80c501914d3035e06ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7717ff59ce351cdffe7f3711f853361f10335ba5841e80c501914d3035e06ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7717ff59ce351cdffe7f3711f853361f10335ba5841e80c501914d3035e06ed", kill_on_drop: false }`
[INFO] [stdout] f7717ff59ce351cdffe7f3711f853361f10335ba5841e80c501914d3035e06ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 817f71ce6116a90a507222f101f239f75cb79319a07fa55f8929df50827e8977
[INFO] running `Command { std: "docker" "start" "-a" "817f71ce6116a90a507222f101f239f75cb79319a07fa55f8929df50827e8977", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]     Checking foo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> display.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> display.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> registers.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         panic!("wut");
[INFO] [stdout]     |         -------------- any code following this expression is unreachable
[INFO] [stdout] 150 |         println!("Trying to write single byte to word register");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `before` is assigned to, but never used
[INFO] [stdout]   --> main.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |   let mut before = Instant::now();
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_before` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `before` is never read
[INFO] [stdout]   --> main.rs:89:7
[INFO] [stdout]    |
[INFO] [stdout] 89 |       before = Instant::now();
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `jump` is never read
[INFO] [stdout]    --> cpu.rs:628:13
[INFO] [stdout]     |
[INFO] [stdout] 628 |     let mut jump = 0; 
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clear_color`
[INFO] [stdout]   --> framebuffer.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn new(width: usize, height: usize, clear_color: u8) -> Framebuffer {
[INFO] [stdout]    |                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_clear_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> registers.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         panic!("wut");
[INFO] [stdout]     |         -------------- any code following this expression is unreachable
[INFO] [stdout] 150 |         println!("Trying to write single byte to word register");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `before` is assigned to, but never used
[INFO] [stdout]   --> main.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |   let mut before = Instant::now();
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_before` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `before` is never read
[INFO] [stdout]   --> main.rs:89:7
[INFO] [stdout]    |
[INFO] [stdout] 89 |       before = Instant::now();
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `jump` is never read
[INFO] [stdout]    --> cpu.rs:628:13
[INFO] [stdout]     |
[INFO] [stdout] 628 |     let mut jump = 0; 
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `clear_color`
[INFO] [stdout]   --> framebuffer.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn new(width: usize, height: usize, clear_color: u8) -> Framebuffer {
[INFO] [stdout]    |                                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_clear_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dump_registers`
[INFO] [stdout]   --> cpu.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 |   fn dump_registers(&self) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `F`
[INFO] [stdout]  --> registers.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 |   F,
[INFO] [stdout]   |   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Af`
[INFO] [stdout]  --> registers.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   Af,
[INFO] [stdout]   |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pc`
[INFO] [stdout]   --> registers.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   Pc,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `n_set`
[INFO] [stdout]   --> registers.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub fn n_set(&self) -> bool {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `h_set`
[INFO] [stdout]   --> registers.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn h_set(&self) -> bool {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> display.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   name: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> display.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.c.draw_points(&frame.blank_pixels[..]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> display.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         self.c.draw_points(&frame.light_pixels[..]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> display.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.c.draw_points(&frame.medium_pixels[..]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> display.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.c.draw_points(&frame.dark_pixels[..]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dump_registers`
[INFO] [stdout]   --> cpu.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 |   fn dump_registers(&self) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `F`
[INFO] [stdout]  --> registers.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 |   F,
[INFO] [stdout]   |   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Af`
[INFO] [stdout]  --> registers.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   Af,
[INFO] [stdout]   |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pc`
[INFO] [stdout]   --> registers.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   Pc,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `n_set`
[INFO] [stdout]   --> registers.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub fn n_set(&self) -> bool {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `h_set`
[INFO] [stdout]   --> registers.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn h_set(&self) -> bool {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> display.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   name: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> display.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.c.draw_points(&frame.blank_pixels[..]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> display.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         self.c.draw_points(&frame.light_pixels[..]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> display.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.c.draw_points(&frame.medium_pixels[..]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> display.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.c.draw_points(&frame.dark_pixels[..]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.35s
[INFO] running `Command { std: "docker" "inspect" "817f71ce6116a90a507222f101f239f75cb79319a07fa55f8929df50827e8977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817f71ce6116a90a507222f101f239f75cb79319a07fa55f8929df50827e8977", kill_on_drop: false }`
[INFO] [stdout] 817f71ce6116a90a507222f101f239f75cb79319a07fa55f8929df50827e8977